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首页> 外文会议>IEEE Vehicle Power and Propulsion Conference >Controlling EV Charging Schedules: Supporting the Grid and Protecting Battery Life
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Controlling EV Charging Schedules: Supporting the Grid and Protecting Battery Life

机译：控制电动汽车的充电时间表：支持电网并保护电池寿命

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摘要

Uncontrolled charging is known to cause problems for the distributed power network even if only 10% of cars are powered by electric, so a charging system that prevents such problems will become necessary as they increase in popularity. Electric vehicle charging regimes that can provide the charge required by the user whilst supporting the grid and protecting battery health are required and are described here. Based on experimental tests and verified by literature, the factors that are known to shorten battery life have been quantified and the impact on battery degradation of average state of charge is analysed. Charging regimes that can lower average state of charge, thus protecting the state of health of the battery are described. It is demonstrated that delayed charging, less frequent charging and some vehicle to grid power flow for storage can prolong battery life compared with providing the same charge in an uncontrolled way. Thus grid power is supported and battery life protected by this schedule based on controlled charging. The analysis of average state of charge (SOC) as a function of cycling as well as calendar life is new and the effect on battery degradation has been found by experimental testing and verified by literature.
机译：众所周知，即使只有10％的汽车由电力驱动，不受控制的充电也会对分布式电源网络造成问题，因此，随着此类问题的流行，防止这种问题的充电系统将变得十分必要。需要电动汽车的充电方式，该充电方式可以在支撑电网并保护电池健康的同时提供用户所需的电量。根据实验测试并通过文献验证，已知缩短电池寿命的因素已被量化，并且分析了平均充电状态对电池退化的影响。描述了可以降低平均充电状态从而保护电池健康状态的充电方式。事实证明，与以不受控制的方式提供相同的充电相比，延迟充电，较少的充电频率以及某些车辆到电网的电流存储可以延长电池寿命。因此，基于可控充电，此计划可支持电网电源并保护电池寿命。作为循环和日历寿命的函数的平均充电状态（SOC）的分析是新的，并且通过实验测试发现了对电池退化的影响，并通过文献进行了验证。

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